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Monday, May 10, 2010

Put Gator In The Hall: Fun With LevERA+ At The Think Factory

“One particular commenter at BBTF who evinced an almost superhuman ability for misapprehension and misconception…” Now there’s a handle change waiting to happen!

It was brought to my attention yesterday that my recent post on Clutch Pitchers and LevERA+ had been linked to by The Baseball Think Factory. I learned this from a friend who sent me an e-mail that quoted some of the more amusing misconceptions from the commenters at BBTF. I initially had no intention of addressing these misconceptions, reasoning that it was probably futile to reason with anyone who could have possibly understood the post to be arguing that Steve Trachsel was a great pitcher, or that Jeff Suppan was better than Jim Palmer and Tom Seaver. There were certain commenters at BBTF however who seemed to have at least a passing interest in the concept of LevERA+, and so I’ll devote a few more words to the subject. I’ll briefly address some of the more amusing misconceptions voiced at the BBTF and then discuss the calculation and conceptual underpinnings of the LevERA+ concept.

“No, I wasn’t arguing that Steve Trachsel is better than Tom Seaver…”

Incredibly, more than a few BBTF commenters seemed to think that I was proposing the clutch adjustment factor as a measure of pitching prowess. Even more believed I was arguing that Trachsel or Jeff Suppan were “more clutch” than Tom Seaver or Jim Palmer or Ron Guidry. I was completely mystified as to how anyone could have made these extraordinary leaps of illogic until my buddy pointed out to me that the term “clutch adjustment factor” really is inapt. I have to admit he’s correct, and it’s possible that some of the more absurd misconceptions expressed at BBTF derive from this ill-advised term. The better term is of course “leverage adjustment factor.”

Edit: Link to the original discussion. Jim

Repoz Posted: May 10, 2010 at 10:31 AM | 51 comment(s) Login to Bookmark
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   1. Avoid running at all times.-S. Paige Posted: May 10, 2010 at 11:26 AM (#3528106)
Well, I'm sure everyone here is going to agree that this clarifies the issue. But it should be noted that these sorts of disagreements, which are often the result of amusing misconceptions, are dealt with in a less verbose way in the 209.
   2. Shooty: Applying to be Fearless Leader Posted: May 10, 2010 at 12:16 PM (#3528113)
And yet, Ron Guidry still isn't a HOFer. I'm going to have to reasess Steve Trachsel, though.
   3. Pasta-diving Jeter (jmac66) Posted: May 10, 2010 at 12:26 PM (#3528121)
I'm not backing off my assessment of Juan Pizzaro as a Hall-of-Famer
   4. Jeff R., P***y Mainlander Posted: May 10, 2010 at 12:46 PM (#3528131)
This levERA+ stat is dumber than 10 Tommy Lasordas.
   5. Shooty: Applying to be Fearless Leader Posted: May 10, 2010 at 12:50 PM (#3528134)
Anyone else want to make up a stat, not explain where it comes from, give it a misleading name, use it to buttress a flimsy argument and then feign bafflement when said stat is roundly mocked?
   6. Pasta-diving Jeter (jmac66) Posted: May 10, 2010 at 01:19 PM (#3528145)
Anyone else want to make up a stat, not explain where it comes from, give it a misleading name, use it to buttress a flimsy argument and then feign bafflement when said stat is roundly mocked?


you should add "make up a stat based solely on the fact the Ron Guidry appears in the top 10 of that stat.."
   7. TomH Posted: May 10, 2010 at 01:25 PM (#3528147)
"best wpct by a pitcher in a year he started and won a one-game playoff for the division title"

1. Guidry, 1978, 25-3
2. anybody else?
   8. Howie Menckel Posted: May 10, 2010 at 01:30 PM (#3528148)
"it’s possible that some of the more absurd misconceptions expressed at BBTF derive from this ill-advised term."

hilaripus
   9. cercopithecus aethiops Posted: May 10, 2010 at 01:31 PM (#3528149)
you should add "make up a stat based solely on the fact the Ron Guidry appears in the top 10 of that stat.."

If this guy has some actual ability to know where someone will rank in the stat before he's even made up the stat, then he should be using that talent in more productive ways.

This levERA+ stat is dumber than 10 Tommy Lasordas.

Help me out here. Does that mean it's dumber than a million dogs, or a billion? Me no real good on maths.
   10. Avoid running at all times.-S. Paige Posted: May 10, 2010 at 01:32 PM (#3528151)
He has to crack the top ten "Ron" list. Off the top of my head, I have him over Gant and Karkovice. Not going to bother with B-R, but that's my top 3. Maybe throw in Ronnie Belliard and Rony Seikly, or however you spell the dude with the most rejected by the rim dunks in the history of basketball.
   11. Davo Malvolio Posted: May 10, 2010 at 01:36 PM (#3528154)
"best wpct by a pitcher in a year he started and won a one-game playoff for the division title"

1. Guidry, 1978, 25-3
2. anybody else?


#1 is Randy Johnson (18-2 in 1995).

;)
   12. Pasta-diving Jeter (jmac66) Posted: May 10, 2010 at 01:41 PM (#3528156)
He has to crack the top ten "Ron" list. Off the top of my head, I have him over Gant and Karkovice. Not going to bother with B-R, but that's my top 3.


see??--Ron Santo gets no respect even here
   13. Jolly Old St. Neck Wound, Moral Idiot Posted: May 10, 2010 at 01:41 PM (#3528157)
That Put Gator In The Hall fansite is obviously a labor of love that's trying its best to adapt to the sabermetric age, unfortunately without too much success. But if you ignore the various HoF arguments and just enjoy the miscellaneous statistical oddities that he writes about, it's an entertaining site, even if it reads more like the back of a 1954 Topps card than a presentation at a SABR meeting. I don't agree with most of his conclusions, but more power to him.
   14. RJ in TO Posted: May 10, 2010 at 01:44 PM (#3528159)
Here's the thread to which the author (who is certainly not Tommy) is referring. Of particular interest should be Kiko's brief disection of the LevERA+ in post #36.
   15. Pasta-diving Jeter (jmac66) Posted: May 10, 2010 at 01:45 PM (#3528160)
top 10 Cajun ath-a-leets

Guidry
Andy Pettitte
Bob Pettit
Ray Fontenot
Herman Fontenot
Mike Fontenot (which of those is which?)
Jake Delhomme
Bobby Hebert
Calvin Borel
??
   16. Kiko Sakata Posted: May 10, 2010 at 01:46 PM (#3528161)
"a pitcher in a year he started and won a one-game playoff for the division title"


Oddly enough, super-clutch poster boy Steve Trachsel actually did this for the Cubs in 1998 (well, it was a one-game playoff for the wild card). Not that he had a record anything like Guidry's or Johnson's that year, of course (he was 15-8 for those who care).
   17. Foghorn Leghorn Posted: May 10, 2010 at 01:46 PM (#3528162)
But if you ignore the various HoF arguments and just enjoy the miscellaneous statistical oddities that he writes about, it's an entertaining site, even if it reads more like the back of a 1954 Topps card than a presentation at a SABR meeting.
You have clearly never been to a SABR meeting. Those presentations are often on par with this guy's stuff.
   18. Pasta-diving Jeter (jmac66) Posted: May 10, 2010 at 01:51 PM (#3528167)
"a pitcher in a year he started and won a one-game playoff for the division title"

don't forget this guy
   19. Jolly Old St. Neck Wound, Moral Idiot Posted: May 10, 2010 at 01:52 PM (#3528168)
But if you ignore the various HoF arguments and just enjoy the miscellaneous statistical oddities that he writes about, it's an entertaining site, even if it reads more like the back of a 1954 Topps card than a presentation at a SABR meeting.

You have clearly never been to a SABR meeting. Those presentations are often on par with this guy's stuff.


I'm not sure whether to be frightened or reassured by that, so I'll settle for a bit of both.
   20. Gonfalon Bubble Posted: May 10, 2010 at 02:03 PM (#3528176)
It was brought to my attention yesterday that my recent post on Clutch Pitchers and LevERA+ had been linked to by The Baseball Think Factory.

"Poor Clark Kent! Always missing the excitement!"
   21. RobertMachemer Posted: May 10, 2010 at 02:08 PM (#3528179)
top 10 Cajun ath-a-leets

Guidry
Andy Pettitte
Bob Pettit
Ray Fontenot
Herman Fontenot
Mike Fontenot (which of those is which?)
Jake Delhomme
Bobby Hebert
Calvin Borel
??

Bret Favre? (Asked seriously -- I don't know).
   22. Pasta-diving Jeter (jmac66) Posted: May 10, 2010 at 02:11 PM (#3528184)
I always figgered you had to be from Louisiana to REALLY be a Cajun
   23. RobertMachemer Posted: May 10, 2010 at 02:12 PM (#3528186)
Like Guidry, Ron Reagan was not a Hall of Fame pitcher, but at least Reagan played one on tv...
   24. Sheer Tim Foli Posted: May 10, 2010 at 02:15 PM (#3528193)
"Poor Clark Kent! Always missing the excitement!"


Awesome!
   25. AndrewJ Posted: May 10, 2010 at 02:17 PM (#3528194)
top 10 Cajun ath-a-leets

HOF Eagles running back Steve Van Buren (from Honduras, but grew up in Louisiana and played at LSU)
   26. Tommy in CT Posted: May 10, 2010 at 02:23 PM (#3528200)
Here's the thread to which the author (who is certainly not Tommy) is referring. Of particular interest should be Kiko's brief disection of the LevERA+ in post #36.


Kiko seemed to be missing some fundamental points, for example:

I mean, how is it that the clutchiest pitcher of the last 60 years, with an almost perfectly-average ERA (career ERA+ of 99) managed to have a career winning percentage of .474?


Anyone who could ask this question obviously isn't getting the drift. The Guidry blogger guy pretty plainly stated that a pitcher's win% is of course a function of runs allowed and run support, which I think we can all agree on. Trachsel's run support was terrible, much worse certainly than Blyleven's. That's why his win% was so poor.

As for Kiko's claim that "clutch" was somehow being double-counted, it was a singularly unpersuasive argument. ERA+ doesn't account for game or situation context at all. A run is a run for ERA and ERA+ purposes.
   27. Tim McCarver's Orange Marmalade Posted: May 10, 2010 at 02:24 PM (#3528201)
"top 10 Cajun ath-a-leets

Guidry
Andy Pettitte
Bob Pettit
Ray Fontenot
Herman Fontenot
Mike Fontenot (which of those is which?)
Jake Delhomme
Bobby Hebert
Calvin Borel
??"

Bobby Boucher, Jr.
   28. Tommy in CT Posted: May 10, 2010 at 02:38 PM (#3528214)
don't forget this guy


Ah, Gene Bearden. Bearden's '48 season was one of the great "one hit wonders" of baseball history. The guy was truly magnificent in '48, not only putting up great W-L and ERA stats but also pitching like a demon down the stretch of one of the great pennant races in AL history. He was 7-1 in Sept/Oct with a 1.83 ERA as the Tribe battled the Sox and Yanks for the AL lead, culminating in a complete game win over the Sox in the one-game playoff. He won his last six starts in a row. Truly one of the greatest pennant race performances by a pitcher ever.

Here's a good trivia question that just occurred to me. Can anyone else name another pitcher who had a 20 win season but didn't even hit double-digits in wins in any other season? I can't think of one off the top of my head.
   29. gef the talking mongoose Posted: May 10, 2010 at 02:44 PM (#3528221)
Can anyone else name another pitcher who had a 20 win season but didn't even hit double-digits in wins in any other season? I can't think of one off the top of my head.


Closest I can come without really thinking is Lou Fette (first old player whose autograph I ever obtained via SASE; second was Chief Hogsett), who won 20 as a 30-year-old rookie in '37, then 11 & 10 the next two seasons, winding things up with 0 in '41 & '45.
   30. The District Attorney Posted: May 10, 2010 at 02:44 PM (#3528222)
I plan to never discuss Ron Guidry ever again at this point, but I just wonder what exactly Tommy thinks he is accomplishing by claiming Gator for the Hall is his "friend's" site.

Can anyone else name another pitcher who had a 20 win season but didn't even hit double-digits in wins in any other season? I can't think of one off the top of my head.
Gene Bearden.
   31. Shooty: Applying to be Fearless Leader Posted: May 10, 2010 at 02:45 PM (#3528223)
Can't think of anyone except for Sidd Finch. Other than him...hmmm.
   32. Harmon "Thread Killer" Microbrew Posted: May 10, 2010 at 02:52 PM (#3528236)
The Guidry blogger guy


Tommy, I suspect that you sleep with the "Guidry blogger guy" every night.

I also suspect you shower with him, eat all your meals with him and share his innermost thoughts.
   33. bjhanke Posted: May 10, 2010 at 02:53 PM (#3528239)
If Bob Petit counts as a cajun, then he's certainly the best. Bob was probably, and at least arguably, the best power forward in the history of basketball. If you made up a 12-man dream team, with representation of all positions, he'd certainly be on it. If Bret Farve counts, he's #2 behind Bob. After that, I'm not real sure I could decide whether Guidry or Pettite is the best, especially since Andy's career isn't over yet.

Just to paint a target, here's my 12-man team. There are 2 at each position, plus a swing center/forward and a swing forward/guard. I didn't include guys who are not yet retired.
At each position, the guy I consider best is listed first:

C - Bill Russell (the greatest player in basketball history, able to play "everything you have done (except score points) I have done double" With Michael Jordan (who I rank #2).
C - Kareem Abdul-Jabbar
PF - Bob Pettit
PF - Charles Barkley
SF - Julius Erving
SF - Paul Arizin (a REAL old pioneer guy, deadly with set shots before there were jump shots, and a defense whiz)
Swing Guy - Larry Bird
PG - Magic Johnson
PG - Clyde Drexler
SG - Michael Jordan
SG - Jerry West
Swing Guy - Oscar Robertson

Best guys not on team: Wilt Chamberlain, George Mikan and Bob Cousy

- Brock Hanke
   34. Forsch 10 From Navarone (Dayn) Posted: May 10, 2010 at 02:53 PM (#3528240)
"top 10 Cajun ath-a-leets

Toe. Nash.
   35. Misirlou's got a busy day, he's wearing a vest Posted: May 10, 2010 at 03:00 PM (#3528246)
Can anyone else name another pitcher who had a 20 win season but didn't even hit double-digits in wins in any other season? I can't think of one off the top of my head.


Seattle Bill James
   36. Tommy in CT Posted: May 10, 2010 at 03:06 PM (#3528251)
Seattle Bill. I'd never heard of him. I turned up another few who won 20 and never had another double-digit win season: Buck O'Brien, Frank Allen (Federal League), Roscoe Miller. There are probably a few others.
   37. Harveys Wallbangers Posted: May 10, 2010 at 03:10 PM (#3528255)
One of my faves is Harry Coveleski who won more than 20 three years running and never won more than 6 in any other season.
   38. Tommy in CT Posted: May 10, 2010 at 03:11 PM (#3528256)
Gene Bearden.


Gee, thanks, District Attorney. Any other Gene Beardens you'd like to mention?
   39. OCF Posted: May 10, 2010 at 03:31 PM (#3528284)
Lou Fette ..., who won 20 as a 30-year-old rookie in '37, then 11 & 10 the next two seasons, winding things up with 0 in '41 & '45.

He never won 20, but the mention of a "30-year-old rookie" triggered the memory of Dick Hughes. As a 29-year-old rookie, Hughes went 16-6, with a 123 ERA+, in the thick of the 1967 pennant race for a Cardinal team that was missing Bob Gibson (broken leg). He finished 2nd in the RoY vote and 17th in the MVP vote that year. His career win total was 20.

And while he may not have been a Cajun, bb-ref does say he went to high school in Shreveport.
   40. David Nieporent (now, with children) Posted: May 10, 2010 at 03:35 PM (#3528288)
Can anyone else name another pitcher who had a 20 win season but didn't even hit double-digits in wins in any other season? I can't think of one off the top of my head.
It happened a bunch of times in the 19th century and deadball era; most extreme case is Henry Schmidt, who won 22 games in his only ML season.

In the post deadball era, Johnny Beazley is one of the few other than Bearden.
   41. Kiko Sakata Posted: May 10, 2010 at 03:39 PM (#3528294)
As for Kiko's claim that "clutch" was somehow being double-counted, it was a singularly unpersuasive argument. ERA+ doesn't account for game or situation context at all. A run is a run for ERA and ERA+ purposes.


First, my claims were only with respect to Steve Trachsel. And, of course, I realize that debating how "clutch" Steve Trachsel was in his career is an extremely uninteresting argument to pretty much everybody on every side of the "debate".

But in the case of Steve Trachsel, his WPA and his ERA+ are perfectly consistent - they both reflect an almost perfectly average pitcher (ERA+ of 99, WPA totals of 191.61 WPA+ v. 190.51 WPA-) (and, as you suggest, one whose sub-.500 career W-L record is the result of poor run support).

Both of these stand in fairly stark contrast to Trachsel's WPA/LI (-8.75 wins over his career) and his FIP (which is 0.45 higher than his ERA for his career). Now, I'm willing to say that this makes Steve Trachsel "clutch" over the course of his career. But the way in which that "clutchiness" manifested itself in Trachsel's case was that he allowed fewer runs than you would have expected him to allow given the number of walks, hits, home runs, etc., he allowed. But that "clutchiness" is already reflected in Steve Trachsel's ERA and ERA+.
   42. KJOK Posted: May 10, 2010 at 08:50 PM (#3528620)
Here's a good trivia question that just occurred to me. Can anyone else name another pitcher who had a 20 win season but didn't even hit double-digits in wins in any other season? I can't think of one off the top of my head.


He didn't win 20, but since 18 is the new 20, ken Bottenfield won 18 in 1999, and his next highest total was 8.
   43. Eric J is Financed by a Rich Grandpa Posted: May 10, 2010 at 09:07 PM (#3528634)
Now, I'm willing to say that this makes Steve Trachsel "clutch" over the course of his career. But the way in which that "clutchiness" manifested itself in Trachsel's case was that he allowed fewer runs than you would have expected him to allow given the number of walks, hits, home runs, etc., he allowed. But that "clutchiness" is already reflected in Steve Trachsel's ERA and ERA+.

This. A better clutchiness-adjusted measure would be something like LevOPS+, or possibly a version of LevERA+ calculated using a simplified leverage index based only on scoring margin and inning.
   44. Crispix Attacks Posted: May 10, 2010 at 09:13 PM (#3528637)
He didn't win 20, but since 18 is the new 20, ken Bottenfield won 18 in 1999, and his next highest total was 8.


Joe Mays won 17 in 2001, and his next highest total was 8.ear.
   45. Fred Lynn Nolan Ryan Sweeney Agonistes Posted: May 10, 2010 at 09:13 PM (#3528638)
"best wpct by a pitcher in a year he started and won a one-game playoff for the division title"

1. Guidry, 1978, 25-3
2. anybody else?


#1 is Randy Johnson (18-2 in 1995).

;)


#3 is, of course, Joe Niekro -- who had a better postseason ERA than either of those guys.
BECAUSE HE WAS MORE CLUTCHIER
   46. David Nieporent (now, with children) Posted: May 10, 2010 at 09:22 PM (#3528644)
It happened a bunch of times in the 19th century and deadball era; most extreme case is Henry Schmidt, who won 22 games in his only ML season.

In the post deadball era, Johnny Beazley is one of the few other than Bearden.
I think that in the post-deadball era, Beazley is the only one other than Bearden.
   47. Josh1 Posted: May 10, 2010 at 10:08 PM (#3528692)
Jocko Flynn: 23-6, 2.24 ERA, 160 ERA+ in the only season he pitched
   48. Harold Posted: May 10, 2010 at 10:46 PM (#3528721)
But the way in which that "clutchiness" manifested itself in Trachsel's case was that he allowed fewer runs than you would have expected him to allow given the number of walks, hits, home runs, etc., he allowed. But that "clutchiness" is already reflected in Steve Trachsel's ERA and ERA+.

Right. Now that we've seen how LevERA+ is calculated, we can see that it's making a faulty assumption that "Clutch" measures performance that is not captured in ERA+, and therefore ERA+ needs to be adjusted for it.
   49. The District Attorney Posted: May 11, 2010 at 12:12 AM (#3528822)
King Cole is another.
   50. Steve Treder Posted: May 11, 2010 at 12:19 AM (#3528825)
Hey, I wrote an article that's extremely relevant to this discussion.
   51. Misirlou's got a busy day, he's wearing a vest Posted: May 11, 2010 at 01:21 AM (#3528887)
King Cole is another.


No he isn't. He won 20, 18, and 10. Mark Fidrych came close. 19 wins, then 6 for second best.

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